package com.wx.stringbuffer_;

/**
 * @Author : 佩萁
 * Description :
 * @Create : 2023/7/13 - 9:38
 */
public class StringBufferExercise01 {
    public static void main(String[] args) {
        String str = null;
        StringBuffer sb = new StringBuffer();
        sb.append(str);
        System.out.println(sb);
        System.out.println(sb.length());

        StringBuffer sb1 = new StringBuffer(str);
        System.out.println(sb1);
    }
}
